One vertex per element, one color per generator, with an edge from x to x·s.
(2,6)(4,8)(17,18,22,26)(19,25,29,23)(20,21,31,24)(27,32,30,28)(2,6)(3,7)(9,10)(11,12)(13,15)(14,16)(17,19,22,29)(18,23,26,25)(20,27,31,30)(21,28,24,32)(1,2,5,6)(3,8,7,4)(9,11)(10,14)(12,15)(13,16)(17,20,22,31)(18,24,26,21)(19,27,29,30)(23,32,25,28)(2,6)(3,7)(11,16)(12,14)(17,20)(18,24)(19,27)(21,26)(22,31)(23,32)(25,28)(29,30) involution — undirected(1,3,5,7)(2,4,6,8)(9,12)(10,11)(13,14)(15,16)(17,19)(18,25)(20,30)(21,28)(22,29)(23,26)(24,32)(27,31)(1,4)(2,7)(3,6)(5,8)(9,10)(11,12)(13,15)(14,16)(17,21,22,24)(18,20,26,31)(19,28,29,32)(23,27,25,30)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.